<!--
 * @Description: 基线
 * @Author: charles
 * @Date: 2021-08-17 18:06:01
 * @LastEditors: charles
 * @LastEditTime: 2021-08-17 18:29:27
-->
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>基线</title>
  <style>
    body { margin: 0; }
    .box { background-color: lightblue; }
  </style>
</head>
<body>
  <div class="box">
    <img src="./images/cat.jpg" alt="">
  </div>
</body>
</html>